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Troubleshooting and Diagnostics
5-2
5.1 Power-related Problems
S Power indicator does not come On when power is switched On
S Check that the power cord and plug are securely fitted to the printer and to
an electrical outlet.
S Ask for the power connector connections (and fuse, if fitted) to be verified.
S Ask for the building electrical supply to be verified.
5.2 Error Messages
After switching the power ON the printer runs a self test. During the test the
following messages may be shown on the display:
Display That means ... Cause / Action
No No power - Mains cable not connected
information,
POWER ON
indicator not
lit.
green and hang up in reset after - Print PSU defective
yellow LED power on - Print CU-DEV defective
give light but
no reaction
$$$$$$$$$ Firmware does not - PM not inserted
work - PM not correctly inserted
- no firmware on PM
- PROMs not correctly installed
TEST.... Initializing of the - After first POWER ON
(flashing) EEPROM with PM
- Change of the PM
- Contents of the EEPROM
faulty
I/O OK EEPROM located on EEPROM
the Control Unit not - not installed
addressable - not correctly installed
- defective